This Theorem states that "If f(X) is continuous in [a,b], then there is a
'z' in (a,b) such that the integral from a to b f(x)dx = f(z)(b-a). How
does the Mean Value Theorem apply to life? Why do we need this theorem?

The gauge on Rick's 18-wheeler is broken, so he uses a dowel to
measure the diesel in his tank, which is cylinder-shaped, 20 inches in
diameter, and sits on its side. How can he mark the dipstick to show
1/4 of a tank of fuel?